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Espnow chat app #96

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Espnow chat app #96

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46 changes: 19 additions & 27 deletions internal_filesystem/apps/com.micropythonos.espnow_chat/assets/espnow_chat.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,9 @@

import lvgl as lv
import machine
from message_input_activity import MessageInputActivity
from micropython import const
from mpos import Activity, MposKeyboard, TaskManager
from mpos import Activity, Intent, TaskManager
from mpos.time import localtime

try:
Expand All @@ -33,24 +34,16 @@ def pformat_mac(mac):
class EspNowChat(Activity):
def onCreate(self):
main_content = lv.obj()
main_content.set_flex_flow(lv.FLEX_FLOW.COLUMN)
main_content.set_style_pad_gap(10, 0)

self.input_textarea = lv.textarea(main_content)
self.input_textarea.set_placeholder_text("Message input...")
self.input_textarea.set_one_line(True)
self.input_textarea.set_style_text_font(lv.font_montserrat_16, lv.PART.MAIN)
self.input_textarea.set_width(lv.pct(100))
self.input_textarea.add_event_cb(self.show_keyboard, lv.EVENT.CLICKED, None)

self.keyboard = MposKeyboard(main_content)
self.keyboard.set_textarea(self.input_textarea)
self.keyboard.add_event_cb(self.keyboard_cb, lv.EVENT.READY, None)
self.keyboard.add_flag(lv.obj.FLAG.HIDDEN)

self.messages = lv.label(main_content)
self.messages.set_style_text_font(lv.font_montserrat_14, 0)

self.write_btn = lv.button(main_content)
write_label = lv.label(self.write_btn)
write_label.set_text("Send Message")
self.write_btn.align(lv.ALIGN.BOTTOM_RIGHT, -10, -10)
self.write_btn.add_event_cb(self.open_message_input, lv.EVENT.CLICKED, None)

# Buffer to store and display the latest 20 messages:
self.messages_buffer = deque((), 20)

Expand Down Expand Up @@ -80,21 +73,20 @@ def info(self, text):
hour, minute, second = now[3], now[4], now[5]
message = f"{hour:02}:{minute:02}:{second:02} {text}"
print(message)
self.messages_buffer.appendleft(message)
self.messages_buffer.append(message)
self.messages.set_text("\n".join(self.messages_buffer))

def keyboard_cb(self, event):
message = self.input_textarea.get_text()
if not message:
print("Ignore empty input")
else:
self.input_textarea.set_text("")
print(f"Create task to send {message=}...")
TaskManager.create_task(self.send_messages(message))
def open_message_input(self, event):
intent = Intent(activity_class=MessageInputActivity)
self.startActivityForResult(intent, self.on_message_input_result)

def show_keyboard(self, event):
print("Show keyboard")
self.keyboard.remove_flag(lv.obj.FLAG.HIDDEN)
def on_message_input_result(self, result: dict):
print(f"on_message_input_result: {result=}")
if not result:
return
if message := result.get("data"):
print(f"Create task to send {message=}")
TaskManager.create_task(self.send_messages(message))

async def send_messages(self, message):
self.info(f"Sending: {message} ({self.own_id})")
Expand Down
52 changes: 52 additions & 0 deletions internal_filesystem/apps/com.micropythonos.espnow_chat/assets/message_input_activity.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,52 @@
import lvgl as lv
from mpos import Activity


class MessageInputActivity(Activity):
def onCreate(self):
main_content = lv.obj()
main_content.set_flex_flow(lv.FLEX_FLOW.COLUMN)
# main_content.set_size(lv.pct(100), lv.SIZE_CONTENT)
main_content.set_width(lv.pct(100))
main_content.set_style_pad_gap(1, 1)

input_column = lv.obj(main_content)
input_column.set_flex_flow(lv.FLEX_FLOW.COLUMN)
input_column.set_size(lv.pct(100), lv.SIZE_CONTENT)
input_column.set_style_pad_gap(0, 0)

self.input_textarea = lv.textarea(input_column)
self.input_textarea.set_placeholder_text("Message ...")
self.input_textarea.set_one_line(True)
self.input_textarea.set_style_text_font(lv.font_montserrat_16, lv.PART.MAIN)

keyboard_column = lv.obj(main_content)
keyboard_column.set_flex_flow(lv.FLEX_FLOW.COLUMN)
keyboard_column.set_width(lv.pct(100))
keyboard_column.set_style_pad_gap(0, 0)

self.keyboard = lv.keyboard(keyboard_column)
self.keyboard.set_textarea(self.input_textarea)
self.keyboard.add_event_cb(self.keyboard_cb, lv.EVENT.READY, None)

btn_column = lv.obj(main_content)
btn_column.set_flex_flow(lv.FLEX_FLOW.COLUMN)
btn_column.set_size(lv.pct(100), lv.SIZE_CONTENT)
btn_column.set_style_pad_gap(0, 0)

cancel_btn = lv.button(btn_column)
cancel_label = lv.label(cancel_btn)
cancel_label.set_text("Cancel")
cancel_label.align(lv.ALIGN.BOTTOM_RIGHT, -2, -2)
cancel_btn.add_event_cb(self.cancel_clicked, lv.EVENT.CLICKED, None)

self.setContentView(main_content)

def keyboard_cb(self, event):
text = self.input_textarea.get_text()
self.setResult(result_code="text", data=text)
self.finish()

def cancel_clicked(self, event):
self.setResult(None)
self.finish()
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